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Title: SPATIAL BIODIVERSITY OF EPIGEAN ARTHROPODS IN AN OLIVE GROVE IN SOUTHERN IBERIA
SPATIAL BIODIVERSITY OF EPIGEAN ARTHROPODS IN AN OLIVE GROVE IN SOUTHERN IBERIA

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Manuel Moreno Garcia; Rafaela Ordonez Fernandez; Rosa Maria Carbonell Bojollo; Francisco Perez Serrano; Antonio Rodriguez Lizana
10.5593/sgem2022V/3.2/s14.48
10.5593/sgem2022V/3.2
1314-2704
978-619-7603-54-5
English
22
3.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Forest Ecosystems
This study aims to observe the spatial distribution of the arthropods biodiversity inhabiting the soil surface of olive groves. For this purpose, a sampling campaign has been carried out in a 15.1 ha plot of this crop. This plot is located in the south of the Iberian Peninsula. The study comprised a total of 65 sampling stations for epigean arthropods. Each station consisted of two drop traps, one located under the canopy of the olive tree and the other in the middle of the strip.
With the arthropod catch data from each sampling station, the Shannon biodiversity index per sampling unit was calculated. The average of the 65 stations amounts to a biodiversity value of 1.66 for this index. It can therefore be considered to have a relatively low diversity. This is a normal result in cultivated systems.
A study of this biodiversity index has also been carried out for the three most important orders of soil-dwelling arthropods: Coleoptera, Hymenoptera and Araneae. In these orders, very low biodiversity values were found, as the number of species counted was reduced. Respectively, the results were 0.49, 0.68 and 0.61.
Subsequently, a kriging study was carried out to study the distribution patterns of the results obtained at the sampling stations. The patterns show a general enrichment in biodiversity from the highest and steepest enclaves to areas of lower altitude and lower slope. With respect to biodiversity within the three orders studied, the patterns have not been as evident. Particularly in the case of Araneae.
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We gratefully acknowledge the “Fondo Europeo de Desarrollo Regional (FEDER) y a la Consejeria de Transformacion Economica, Industria, Conocimiento y Universidades de la Junta de Andalucia, dentro del Programa Operativo FEDER 2014-2020”, for its financial support by the project “Avance multidisciplinar en la gestion y conocimiento de las cubiertas de restos de poda en olivar a escala arbol, parcela y explotacion” (US- 1380979). Dr. Manuel Moreno's work was conducted on the basis of a contract (INV_05_2022_I_018) funded by this research project.
conference
https://doi.org/10.5593/sgem2022V/3.2/s14.48
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 06-08 December, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
415-422
06-08 December, 2022
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arthropod, biodiversity, olive, Shannon index, kriging